.enroll >div{
    float: right;
    margin: 10px;
    width: 70px;
    height: 30px;
    border: 1px solid cadetblue;
    text-align: center;
}
.enroll > div >a{
    line-height: 30px;
    font-size: 16px;
}
.enroll{
    display: flex;
    flex-direction: row-reverse;
}